Treadle



FIG. 1 is a top plan view of a treadle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top front right side perspective view thereof; and,

FIG. 4 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof. 

The ornamental design for a treadle, as shown and described. 